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Round|Natural|IGI

1.55ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 817659396

Shape and cutting style on the report: Round brilliant

Certificate IGI 817659396

Diamond specifications and retailer prices

From $4,688 AUD
As of November 6, 2026
Save $4,121 AUD (47%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,272 AUD at NZ Jewellers · As of August 29, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 817659396. Listed at 17 retailers as of November 4, 2026, with a 88% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 817659396
Dimensions7.45 × 7.51 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.45 mm7.51 mm1.55 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 817659396
Side View
Table 59.0%Crown 32.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,077 AUD|Low: $4,530 AUD|High: $9,061 AUD|Avg: $5,917 AUD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 11$4,664 AUD
Retailer 10$4,688 AUD
Retailer 9$4,875 AUD
Retailer 8$5,064 AUD
Retailer 2$5,354 AUD
Retailer 3$5,354 AUD
Retailer 6$5,531 AUD
Retailer 1$6,077 AUD
Retailer 5$6,135 AUD
Retailer 4$6,447 AUD
Retailer 7$8,810 AUD

40 data points across 11 retailers

17 retailers$4,688 AUD to $8,810 AUD

Retailer 1
-
$4,664 AUD
Price last confirmed 19 days ago
A
Retailer 2
-
$4,688 AUD
View
A
Retailer 3
-
$4,875 AUD
View
Final sale: no returns
A
Retailer 4
-
$5,064 AUD
View
Retailer 5
-
$5,354 AUD
View
Price last confirmed 19 days ago
Retailer 6
-
$5,354 AUD
View
Price last confirmed 39 days ago
Retailer 7
-
$5,354 AUD
View
Price last confirmed 21 days ago
A
Retailer 8
-
$5,531 AUD
View
Retailer 9
-
$5,561 AUD
View
Price last confirmed 19 days ago
A
Retailer 10
-
$6,077 AUD
View
A
Retailer 11
-
$6,135 AUD
View
Retailer 12
-
$6,177 AUD
View
Price last confirmed 38 days ago
A
Retailer 13
-
$6,447 AUD
View
Retailer 14
-
$6,803 AUD
View
Price last confirmed 67 days ago
B+
Retailer 15
-
$8,810 AUD
View
Retailer 16
-
$9,328 AUD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
432febbe-fc44-4eaf-aa9a-ca99bc46f6d8 · Aug 29
$10,272 AUD
$7,191 USD
View
Price last confirmed 69 days ago
16 more retailers have this diamond
Prices start from $4,688 AUDSave up to $4,121 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.55ct Round
$4,688 AUD